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Add support for rounded corners to Main Thread rendering engine (airb…
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81
Sources/Private/MainThread/NodeRenderSystem/Nodes/ModifierNodes/RoundedCornersNode.swift
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Original file line number | Diff line number | Diff line change |
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// | ||
// RoundedCornersNode.swift | ||
// Lottie | ||
// | ||
// Created by Duolingo on 10/31/22. | ||
// | ||
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import Foundation | ||
import QuartzCore | ||
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// MARK: - RoundedCornersProperties | ||
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final class RoundedCornersProperties: NodePropertyMap, KeypathSearchable { | ||
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// MARK: Lifecycle | ||
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init(roundedCorners: RoundedCorners) { | ||
keypathName = roundedCorners.name | ||
radius = NodeProperty(provider: KeyframeInterpolator(keyframes: roundedCorners.radius.keyframes)) | ||
keypathProperties = ["Radius" : radius] | ||
properties = Array(keypathProperties.values) | ||
} | ||
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// MARK: Internal | ||
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let keypathProperties: [String: AnyNodeProperty] | ||
let properties: [AnyNodeProperty] | ||
let keypathName: String | ||
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let radius: NodeProperty<LottieVector1D> | ||
} | ||
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// MARK: - RoundedCornersNode | ||
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final class RoundedCornersNode: AnimatorNode { | ||
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// MARK: Lifecycle | ||
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init(parentNode: AnimatorNode?, roundedCorners: RoundedCorners, upstreamPaths: [PathOutputNode]) { | ||
outputNode = PassThroughOutputNode(parent: parentNode?.outputNode) | ||
self.parentNode = parentNode | ||
properties = RoundedCornersProperties(roundedCorners: roundedCorners) | ||
self.upstreamPaths = upstreamPaths | ||
} | ||
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// MARK: Internal | ||
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let properties: RoundedCornersProperties | ||
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let parentNode: AnimatorNode? | ||
let outputNode: NodeOutput | ||
var hasLocalUpdates = false | ||
var hasUpstreamUpdates = false | ||
var lastUpdateFrame: CGFloat? = nil | ||
var isEnabled = true | ||
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// MARK: Animator Node | ||
var propertyMap: NodePropertyMap & KeypathSearchable { | ||
properties | ||
} | ||
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func forceUpstreamOutputUpdates() -> Bool { | ||
hasLocalUpdates || hasUpstreamUpdates | ||
} | ||
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func rebuildOutputs(frame: CGFloat) { | ||
for pathContainer in upstreamPaths { | ||
let pathObjects = pathContainer.removePaths(updateFrame: frame) | ||
for path in pathObjects { | ||
pathContainer.appendPath( | ||
path.roundCorners( | ||
radius: properties.radius.value.cgFloatValue), | ||
updateFrame: frame) | ||
} | ||
} | ||
} | ||
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// MARK: Fileprivate | ||
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fileprivate let upstreamPaths: [PathOutputNode] | ||
} |
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Original file line number | Diff line number | Diff line change |
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// | ||
// RoundedCorners.swift | ||
// Lottie | ||
// | ||
// Created by Duolingo on 10/31/22. | ||
// | ||
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import Foundation | ||
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// MARK: - RoundedCorners | ||
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final class RoundedCorners: ShapeItem { | ||
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// MARK: Lifecycle | ||
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required init(from decoder: Decoder) throws { | ||
let container = try decoder.container(keyedBy: RoundedCorners.CodingKeys.self) | ||
radius = try | ||
container.decode( | ||
KeyframeGroup<LottieVector1D>.self, | ||
forKey: .radius) | ||
try super.init(from: decoder) | ||
} | ||
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required init(dictionary: [String: Any]) throws { | ||
let radiusDictionary: [String: Any] = try dictionary.value(for: CodingKeys.radius) | ||
radius = try KeyframeGroup<LottieVector1D>(dictionary: radiusDictionary) | ||
try super.init(dictionary: dictionary) | ||
} | ||
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// MARK: Internal | ||
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/// The radius of rounded corners | ||
let radius: KeyframeGroup<LottieVector1D> | ||
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override func encode(to encoder: Encoder) throws { | ||
try super.encode(to: encoder) | ||
var container = encoder.container(keyedBy: CodingKeys.self) | ||
try container.encode(radius, forKey: .radius) | ||
} | ||
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// MARK: Private | ||
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private enum CodingKeys: String, CodingKey { | ||
case radius = "r" | ||
} | ||
} |
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